490905660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:536

約数の個数: 192

約数和(自身を含む): 1666990080

約数和(自身を除く): 1176084420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 227, 228, 266, 271, 285, 380, 399, 420, 454, 532, 542, 570, 665, 681, 798, 813, 908, 1084, 1135, 1140, 1330, 1355, 1362, 1589, 1596, 1626, 1897, 1995, 2270, 2660, 2710, 2724, 3178, 3252, 3405, 3794, 3990, 4065, 4313, 4540, 4767, 5149, 5420, 5691, 6356, 6810, 7588, 7945, 7980, 8130, 8626, 9485, 9534, 10298, 11382, 12939, 13620, 15447, 15890, 16260, 17252, 18970, 19068, 20596, 21565, 22764, 23835, 25745, 25878, 28455, 30191, 30894, 31780, 36043, 37940, 43130, 47670, 51490, 51756, 56910, 60382, 61517, 61788, 64695, 72086, 77235, 86260, 90573, 95340, 102980, 108129, 113820, 120764, 123034, 129390, 144172, 150955, 154470, 180215, 181146, 184551, 216258, 246068, 258780, 301910, 307585, 308940, 360430, 362292, 369102, 430619, 432516, 452865, 540645, 603820, 615170, 720860, 738204, 861238, 905730, 922755, 1081290, 1168823, 1230340, 1291857, 1722476, 1811460, 1845510, 2153095, 2162580, 2337646, 2583714, 3506469, 3691020, 4306190, 4675292, 5167428, 5844115, 6459285, 7012938, 8181761, 8612380, 11688230, 12918570, 14025876, 16363522, 17532345, 23376460, 24545283, 25837140, 32727044, 35064690, 40908805, 49090566, 70129380, 81817610, 98181132, 122726415, 163635220, 245452830, 490905660]

約数ペア:

[(1, 490905660), (2, 245452830), (3, 163635220), (4, 122726415), (5, 98181132), (6, 81817610), (7, 70129380), (10, 49090566), (12, 40908805), (14, 35064690), (15, 32727044), (19, 25837140), (20, 24545283), (21, 23376460), (28, 17532345), (30, 16363522), (35, 14025876), (38, 12918570), (42, 11688230), (57, 8612380), (60, 8181761), (70, 7012938), (76, 6459285), (84, 5844115), (95, 5167428), (105, 4675292), (114, 4306190), (133, 3691020), (140, 3506469), (190, 2583714), (210, 2337646), (227, 2162580), (228, 2153095), (266, 1845510), (271, 1811460), (285, 1722476), (380, 1291857), (399, 1230340), (420, 1168823), (454, 1081290), (532, 922755), (542, 905730), (570, 861238), (665, 738204), (681, 720860), (798, 615170), (813, 603820), (908, 540645), (1084, 452865), (1135, 432516), (1140, 430619), (1330, 369102), (1355, 362292), (1362, 360430), (1589, 308940), (1596, 307585), (1626, 301910), (1897, 258780), (1995, 246068), (2270, 216258), (2660, 184551), (2710, 181146), (2724, 180215), (3178, 154470), (3252, 150955), (3405, 144172), (3794, 129390), (3990, 123034), (4065, 120764), (4313, 113820), (4540, 108129), (4767, 102980), (5149, 95340), (5420, 90573), (5691, 86260), (6356, 77235), (6810, 72086), (7588, 64695), (7945, 61788), (7980, 61517), (8130, 60382), (8626, 56910), (9485, 51756), (9534, 51490), (10298, 47670), (11382, 43130), (12939, 37940), (13620, 36043), (15447, 31780), (15890, 30894), (16260, 30191), (17252, 28455), (18970, 25878), (19068, 25745), (20596, 23835), (21565, 22764)]